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This section describes network and service object migration and includes the following topics:

Version 8.3 introduces named network and service objects for use with the following features:

NAT—See the 

 for more information. You can no longer use a 

named IP address (using the name command) in NAT.

Access lists—access-list command. You can no longer use a named IP address (using the name 
command) in an access list.

Object groups—object-group network and object-group service commands. Named IP addresses 
are still allowed in object groups, as well as network objects.

New network and service objects (the object network and object service commands) are substituted 
into existing commands in the following cases:

For each network object NAT command, an object network command is created to represent the 
real IP address that you want to translate. 

When new nat commands require an object instead of an inline value, network and service objects 
are automatically created. 

Error Message   The nodnsalias option is deprecated. Use 'dns' option in nat command to enable/disable 
dns rewrite.

sysopt nodnsalias command not migrated. The sysopt nodnslias command is deprecated because the alias 

command is no longer supported.

Use the dns option in the new NAT commands to enable/disable DNS rewrite.

sysopt nodnsalias

Not migrated.